CN204381117U - A kind of device preventing straightening process scale pits - Google Patents

A kind of device preventing straightening process scale pits Download PDF

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Publication number
CN204381117U
CN204381117U CN201420839868.6U CN201420839868U CN204381117U CN 204381117 U CN204381117 U CN 204381117U CN 201420839868 U CN201420839868 U CN 201420839868U CN 204381117 U CN204381117 U CN 204381117U
Authority
CN
China
Prior art keywords
straightener
air
hot rolled
straightening process
rolled plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420839868.6U
Other languages
Chinese (zh)
Inventor
朱书成
张强
许少普
李忠波
康文举
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanyang Hanye Special Steel Co Ltd
Original Assignee
Nanyang Hanye Special Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanyang Hanye Special Steel Co Ltd filed Critical Nanyang Hanye Special Steel Co Ltd
Priority to CN201420839868.6U priority Critical patent/CN204381117U/en
Application granted granted Critical
Publication of CN204381117U publication Critical patent/CN204381117U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of device preventing straightening process scale pits, belong to metallurgical technology field, comprise transmission roller channel, straightener, the upper straightening roll of straightener and lower smoothing roll, air supply system and water system, be provided with powerful air blowing device above the side that described straightener is connected with transmission roller channel, between adjacent upper straightening roll, be provided with gas-mist cooling device.The utility model effectively can not only remove the iron scale on hot rolled plate surface, prevents iron scale secondary from generating, and improves hot rolled plate end product quality, and shortened process, enhances productivity, and extends the service life of smoothing roll.

Description

A kind of device preventing straightening process scale pits
Technical field
The utility model relates to a kind of device at metallurgical technology field prevention scale pits, is specifically related to the device preventing hot rolled plate scale on surface load mould in straightener straightening process.
Background technology
At present, in cut deal, part steel grade adopts hot rolling not control cold process for cooling, and namely steel plate is more than 950 DEG C after rolling, when not accelerating cooling, through transmission roller channel to straightener leveling, as carbon constructional quality steel etc.The lepidiod iron scale of rear easy formation is rolled on hot rolled plate surface, and is attached to hot rolled plate surface, is easily pressed in hot rolled plate, affects hot rolled plate surface quality when aligning, damages smoothing roll surface simultaneously, shortens the service life of smoothing roll.
Summary of the invention
The purpose of this utility model there are provided a kind of device preventing straightening process scale pits.
Based on above-mentioned purpose, the utility model takes following technical scheme: a kind of device preventing hot rolled plate straightening process scale pits, the straightener comprise transmission roller channel, being close to transmission roller channel and the upper straightening roll of straightener and lower smoothing roll, also comprise air supply system and water system, be provided with powerful air blowing device above the side that described straightener is adjacent with transmission roller channel, described powerful air blowing device is connected with air supply system; Be provided with gas-mist cooling device between adjacent upper straightening roll, described gas-mist cooling device is all connected with air supply system, water system.
The side-lower that described straightener is adjacent with transmission roller channel is provided with powerful air blowing device.
Powerful air blowing device is provided with above the opposite side of described straightener.
Powerful air blowing device is provided with below the opposite side of described straightener.
Gas-mist cooling device is provided with between adjacent lower smoothing roll.
Described powerful air blowing device is made up of some powerful air-blowing unit, and each powerful air-blowing unit top arranges an air inlet, and bottom is provided with air-blowing nozzle, and described air inlet is connected with air supply system by pipeline.
Described aerosol device comprises several aerial fog nozzle unit, the top of each aerial fog nozzle unit is equipped with air inlet, and sidepiece is provided with water inlet, and bottom is provided with aerial fog nozzle, described air inlet is connected with air supply system by pipeline, and water inlet is connected with water system by pipeline.
Compared with prior art, the utility model has following beneficial effect:
1, the utility model is before hot rolled plate is aligned, and is purged hot rolled plate continuous surface by powerful air-blowing, removes hot rolled plate most iron scale on the surface, reduces hot rolled plate blemish; And the aerosol device arranged between adjacent smoothing roll, not only can reduce the operating temperature of smoothing roll and extend service life of smoothing roll, reduce straightening process hot rolled sheet metal surface temperature simultaneously, reduce iron scale growing amount, improve hot rolled plate end product quality, enhance productivity simultaneously, meet the demand of user.
2, each aerial fog nozzle unit is provided with a water inlet, an air inlet and an outlet, and compressed air vertically enters, and be so more conducive to water under high pressure and smashed atomization by compressed air, cooling effectiveness is high.
3, the utility model is after hot rolled plate is aligned, and continues further to purge, further ensure the removal effect of hot rolled plate scale on surface by powerful air-blowing to hot rolled plate surface.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation of powerful air-blowing unit in the utility model.
Fig. 3 is the structural representation of aerial fog nozzle unit in the utility model.
Fig. 4 is powerful air-blowing unit or aerial fog nozzle unit arrangement mode schematic diagram in the utility model.
Detailed description of the invention
Embodiment one: a kind of device preventing hot rolled plate straightening process scale pits as shown in Figure 1, comprise transmission roller channel 1, straightener 2, the upper straightening roll 3 of straightener and lower smoothing roll 4, air supply system 5 and water system 6, powerful air blowing device 7 is provided with above the side that described straightener 2 is connected with transmission roller channel 1, as shown in Figure 3, described powerful air blowing device 7 comprises several powerful air-blowing unit 71, its concrete arrangement mode as shown in Figure 4, powerful air-blowing unit is evenly arranged and is assembled together, the top of each powerful air-blowing unit 71 arranges an air inlet 1, bottom is provided with air-blowing nozzle 73, air inlet 1 is connected by the supervisor of pipeline with air supply system 5, the effect of set powerful air blowing device is, hot rolled plate, before aligning, continues to purge to the upper surface of hot rolled plate by powerful air-blowing, effectively can remove most of iron scale of hot rolled plate upper surface, reduces hot rolled plate upper surface defect.
Gas-mist cooling device 8 is provided with between adjacent upper straightening roll 3, as shown in Figure 2, described aerosol device 8 comprises several aerial fog nozzle unit 81, its concrete arrangement mode as shown in Figure 4, aerosol device unit is evenly arranged and is assembled together, the top of each aerial fog nozzle unit 81 is provided with an air inlet 2 82, sidepiece is provided with water inlet 83, bottom is provided with aerial fog nozzle 84, air inlet 2 82 is connected by the supervisor of pipeline with air supply system 5, and water inlet 83 is connected by the supervisor of pipeline with water system 6.The effect being provided with gas-mist cooling device between adjacent upper straightening roll 3 is, the service life of smoothing roll is prolonged by the operating temperature of reduction upper straightening roll, reduce straightening process hot rolled sheet metal surface temperature simultaneously, reduce iron scale growing amount, improve hot rolled plate end product quality.
The course of work of the present utility model is: as shown in Figure 1, hot rolled plate 9 is when being about to enter straightener 2, open powerful air blowing device 7 and aerosol device 8, most of iron scale of hot rolled plate 9 upper surface can be purged removing by the compressed air in powerful air blowing device 7, and aerosol device 8 can carry out mist cooling to the surface of upper straightening roll, both reduced the damage of hot rolled plate to smoothing roll, simultaneously, the mixing of water, gas to hot rolled plate surface cooling, can reduce straightening process hot rolled plate scale on surface growing amount.
Embodiment two: on the basis of embodiment one, the side-lower that described straightener 2 is adjacent with transmission roller channel 1 is provided with powerful air blowing device 7, this powerful air blowing device continues to purge to the lower surface of hot rolled plate, remove most of iron scale of the lower surface of hot rolled plate, reduce hot rolled plate lower surface defect.
Embodiment three: on the basis of embodiment two, powerful air blowing device 7 is provided with above the opposite side of described straightener 2, this powerful air blowing device continues to purge to hot rolled plate upper surface further, further ensures the removal effect of hot rolled plate scale on surface, improves hot rolled plate end product quality.
Embodiment four: on the basis of embodiment three, powerful air blowing device 7 is provided with below the opposite side of described straightener 2, this powerful air blowing device continues to purge to hot rolled plate lower surface further, ensures the removal effect of hot rolled plate scale on surface further, improves hot rolled plate end product quality.
Embodiment five: on the basis of embodiment four, gas-mist cooling device 8 is provided with equally between adjacent lower smoothing roll, the effect of this gas-mist cooling device is, by reducing the operating temperature of lower smoothing roll and extending service life of smoothing roll, reduce straightening process hot rolled sheet metal surface temperature simultaneously, reduce iron scale growing amount, improve the end product quality of hot rolled plate.

Claims (7)

1. one kind prevents the device of hot rolled plate straightening process scale pits, the straightener comprise transmission roller channel, being close to transmission roller channel and the upper straightening roll of straightener and lower smoothing roll, it is characterized in that, also comprise air supply system and water system, be provided with powerful air blowing device above the side that described straightener is adjacent with transmission roller channel, described powerful air blowing device is connected with air supply system; Be provided with gas-mist cooling device between adjacent upper straightening roll, described gas-mist cooling device is all connected with air supply system, water system.
2. prevent the device of straightening process scale pits as claimed in claim 1, it is characterized in that, the side-lower that described straightener is adjacent with transmission roller channel is provided with powerful air blowing device.
3. prevent the device of straightening process scale pits as claimed in claim 1 or 2, it is characterized in that, above the opposite side of described straightener, be provided with powerful air blowing device.
4. prevent the device of straightening process scale pits as claimed in claim 3, it is characterized in that, below the opposite side of described straightener, be provided with powerful air blowing device.
5. prevent the device of straightening process scale pits as claimed in claim 4, it is characterized in that, between adjacent lower smoothing roll, be provided with gas-mist cooling device.
6. prevent the device of straightening process scale pits as claimed in claim 5, it is characterized in that, described powerful air blowing device is made up of some powerful air-blowing unit, each powerful air-blowing unit top arranges an air inlet, bottom is provided with air-blowing nozzle, and described air inlet is connected with air supply system by pipeline.
7. prevent the device of straightening process scale pits as claimed in claim 5, it is characterized in that, described aerosol device comprises several aerial fog nozzle unit, the top of each aerial fog nozzle unit is equipped with air inlet, sidepiece is provided with water inlet, bottom is provided with aerial fog nozzle, and described air inlet is connected with air supply system by pipeline, and water inlet is connected with water system by pipeline.
CN201420839868.6U 2014-12-26 2014-12-26 A kind of device preventing straightening process scale pits Expired - Fee Related CN204381117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420839868.6U CN204381117U (en) 2014-12-26 2014-12-26 A kind of device preventing straightening process scale pits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420839868.6U CN204381117U (en) 2014-12-26 2014-12-26 A kind of device preventing straightening process scale pits

Publications (1)

Publication Number Publication Date
CN204381117U true CN204381117U (en) 2015-06-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN204381117U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855326A (en) * 2016-05-27 2016-08-17 南京钢铁股份有限公司 Cold straightening technique for steel plate prone to generating scale
CN107442607A (en) * 2017-07-21 2017-12-08 河钢股份有限公司邯郸分公司 A kind of device and production method for preventing cut deal product aligning pit defect

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855326A (en) * 2016-05-27 2016-08-17 南京钢铁股份有限公司 Cold straightening technique for steel plate prone to generating scale
CN107442607A (en) * 2017-07-21 2017-12-08 河钢股份有限公司邯郸分公司 A kind of device and production method for preventing cut deal product aligning pit defect
CN107442607B (en) * 2017-07-21 2019-04-05 河钢股份有限公司邯郸分公司 A kind of device and production method preventing cut deal product aligning pit defect

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150610

Termination date: 20151226

EXPY Termination of patent right or utility model